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Quizzes > Quizzes for Business > Healthcare

Master the Infection Control Terminology Quiz

Challenge Yourself on Infection Control Vocabulary

Difficulty: Moderate
Questions: 20
Learning OutcomesStudy Material
Colorful paper art depicting elements related to Infection Control Terminology Quiz

Ready to test your infection control terminology knowledge? This interactive Infection Control Knowledge Quiz challenges students and professionals to master essential prevention terms. Whether preparing for certification or refreshing skills, participants will gain clarity on key concepts and improve clinical communication. Customize the questions freely in our quizzes editor or explore the Terminology Assessment Quiz for more practice. Take the quiz now and elevate your expertise.

What is the definition of sterilisation?
Complete elimination of all microorganisms, including spores
Reduction of most pathogens to safe levels
Removal of visible soil and debris
Use of chemical agents on living tissue
Sterilisation refers to the total destruction or removal of all forms of microbial life, including bacterial spores. It ensures instruments are completely free of viable microorganisms.
Which term describes the process that kills most disease-causing organisms but not necessarily all spores?
Disinfection
Sterilisation
Cleaning
Asepsis
Disinfection eliminates many or all pathogenic microorganisms except bacterial spores. It is less rigorous than sterilisation, which removes all forms of microbial life.
What is an antiseptic?
A chemical applied to living tissue to prevent or inhibit growth of microorganisms
An instrument sterilisation indicator
A process to remove organic debris
A type of contact precaution
An antiseptic is a chemical agent used on skin or living tissues to prevent infection by inhibiting microbial growth. It differs from disinfectants which are used on inanimate surfaces.
Which piece of personal protective equipment (PPE) is primarily used to protect the respiratory tract?
Mask
Gown
Gloves
Goggles
Masks are designed to protect the respiratory tract by filtering airborne particles and droplets. Other PPE items protect different areas of the body.
Which transmission-based precaution is used for diseases known to spread by droplet transmission?
Droplet Precautions
Airborne Precautions
Contact Precautions
Standard Precautions
Droplet Precautions are implemented for pathogens transmitted via large respiratory droplets that travel short distances. They require a mask within three feet of the patient.
Which level of disinfection kills all microorganisms except large numbers of bacterial spores?
High-level disinfection
Intermediate-level disinfection
Low-level disinfection
Cleaning
High-level disinfection destroys all microorganisms except high numbers of bacterial spores. It is used for semi-critical items that contact mucous membranes.
What term describes the physical removal of visible soil and organic material from surfaces?
Cleaning
Sterilisation
Disinfection
Antisepsis
Cleaning involves removing visible debris and organic matter to reduce microbial load. It precedes disinfection and sterilisation processes.
Which indicator uses resistant spores to verify proper sterilisation conditions?
Biological indicator
Chemical indicator
Mechanical indicator
Physical indicator
Biological indicators contain spores of highly resistant organisms to confirm that sterilisation parameters are met. Other indicators do not use live spores.
Which practice is a component of standard precautions?
Hand hygiene before and after every patient contact
Use of negative-pressure rooms
Patient isolation for all procedures
Routine use of sterile gowns
Hand hygiene is fundamental to standard precautions and reduces pathogen transmission. Other measures are specific to transmission-based precautions or sterile procedures.
What is the correct order for donning personal protective equipment?
Gown, mask, goggles, gloves
Mask, gown, gloves, goggles
Gloves, gown, mask, goggles
Goggles, gloves, gown, mask
The recommended donning sequence starts with the gown, then mask or respirator, followed by eye protection and finally gloves. This order prevents contamination of clean items.
Which of the following is a known sporicidal agent?
Peracetic acid
Alcohol
Soap solution
Quaternary ammonium compound
Peracetic acid is a potent sporicidal agent capable of killing bacterial spores. Common alcohols and quaternary ammonium compounds are not reliably sporicidal.
What does the "chain of infection" describe?
Sequence of events needed for disease transmission
List of all infection control policies
Steps for sterilising equipment
Types of hospital-acquired infections
The chain of infection outlines factors that must be present for a pathogen to spread, including agent, reservoir, and mode of transmission. Breaking any link can prevent infection.
What is meant by "aseptic technique"?
Procedures to prevent contamination by pathogens
Use of antiseptic agents on skin
Cleaning of surfaces with detergent
Application of chemical disinfectants
Aseptic technique encompasses practices that maintain sterility of sites and prevent introduction of pathogens. This includes hand hygiene, sterile fields, and proper handling of sterile equipment.
A semi-critical instrument is one that:
Contacts mucous membranes without penetrating tissue
Enters sterile body tissues
Contacts intact skin only
Is single-use only
Semi-critical instruments contact mucous membranes or non-intact skin and require at least high-level disinfection. Critical items that penetrate tissue need sterilisation.
Which measure is specifically part of contact precautions?
Gown and gloves upon room entry
Mask for patient transport
Negative-pressure room placement
Face shield during procedures
Contact precautions require donning gown and gloves before patient or environmental contact. Other items are associated with droplet or airborne measures.
What are the standard autoclave parameters for steam sterilisation?
121°C at 15 psi for 15 minutes
100°C at 10 psi for 5 minutes
160°C dry heat for 2 hours
60°C chemical soak for 30 minutes
The typical steam sterilisation cycle is 121°C at 15 psi for at least 15 minutes. This ensures effective destruction of all microorganisms and spores.
Which organism is most commonly used in biological indicators for steam sterilisation validation?
Geobacillus stearothermophilus
Bacillus subtilis
Escherichia coli
Staphylococcus aureus
Geobacillus stearothermophilus spores are highly resistant to moist heat and are used to validate autoclave performance. Other bacteria are less resistant.
Which chemical sterilant is best suited for heat-sensitive medical devices?
Ethylene oxide gas
Chlorine bleach solution
70% isopropyl alcohol
Hydrogen peroxide wipe
Ethylene oxide gas penetrates heat-sensitive equipment and achieves sterilisation without high temperatures. Other agents may not sterilise or may damage materials.
A patient diagnosed with Clostridioides difficile infection should be managed using which transmission-based precaution?
Contact Precautions
Airborne Precautions
Droplet Precautions
Protective Environment Precautions
C. difficile spores survive in the environment and spread via contact, so contact precautions including gloves, gown, and dedicated equipment are required. Airborne or droplet measures are not effective against spores.
A surgeon wearing sterile gloves touches a non-sterile instrument tray before handling implants. What term describes this event?
Cross-contamination
Asepsis
Exposure
Sterilisation
Cross-contamination occurs when a sterile item becomes contaminated by contact with a non-sterile surface. This breach undermines aseptic technique and increases infection risk.
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Learning Outcomes

  1. Identify common infection control terms used in healthcare settings.
  2. Define terminology related to sterilisation and disinfection.
  3. Distinguish between aseptic and antiseptic procedures.
  4. Apply correct vocabulary for personal protective equipment (PPE).
  5. Evaluate scenarios using proper infection prevention terms.
  6. Demonstrate understanding of transmission-based precaution definitions.

Cheat Sheet

  1. Understand Key Infection Control Terms - Dive into essential vocabulary like "antiseptic," the skin's germ-fighting hero, and "asepsis," the art of keeping harmful microbes at bay. Mastering these basics gives you the confidence to navigate any infection-prevention scenario. CDC Infection Control Glossary
  2. Differentiate Between Sterilization and Disinfection - Think of sterilization as the ultimate germ knockout - no spores or sneaky microbes survive - while disinfection is more of a heavy-duty wipe-down that zaps most harmful bugs. Knowing when to call in the sterilization squad vs. the disinfection crew ensures you're using the right tool for the job. CDC Methods for Disinfection & Sterilization
  3. Recognize Aseptic vs. Antiseptic Techniques - Aseptic techniques are your invisible barrier to stop contamination in its tracks, and antiseptic techniques bring out the chemical shield on living tissue. Combining both means you're covering all fronts to keep patients safe. PubMed on Aseptic & Antiseptic Methods
  4. Identify Personal Protective Equipment (PPE) - Gear up with gloves, masks, gowns, and eye protection to create your personal safety fortress. Proper PPE use is like putting on a shield before entering the infection battlefield. CDC Basics of PPE
  5. Apply Standard Precautions in All Patient Care - Treat every patient interaction like it's a VIP event: sanitize hands, don PPE, and follow safe injection practices without fail. Standard precautions are your everyday superpowers against invisible threats. CDC Standard Precautions
  6. Implement Transmission-Based Precautions When Necessary - When pathogens demand extra defenses, switch on contact, droplet, or airborne precautions to block their escape routes. These added layers keep you and everyone else protected from the trickiest bugs. CDC Transmission-Based Precautions
  7. Understand the Spaulding Classification System - Sort your medical tools into critical, semicritical, and noncritical categories to decide if they need sterilization or high/low-level disinfection. This smart sorting game ensures each device gets the right cleaning treatment. PubMed on Spaulding Classification
  8. Recognize the Importance of Hand Hygiene - Your hands are germ highways - soap and water or an alcohol-based sanitizer act like toll booths stopping microbes in their tracks. Good hand hygiene is the MVP of infection control. CDC Hand Hygiene Guidelines
  9. Learn About High-Level Disinfection Methods - Semicritical items need a heavy chemical blast from agents like glutaraldehyde or hydrogen peroxide to ensure maximum germ kill. Always follow manufacturer rules to score a perfect disinfection result. CDC High-Level Disinfection
  10. Understand the Role of Environmental Cleaning - Regularly scrubbing and disinfecting surfaces is like laying down a no-entry sign for pathogens. Stick to proven protocols and approved disinfectants to keep every corner germ-free. CDC Environmental Cleaning Basics
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